/Engine/Source/Runtime/Core/Public/Math/Axis.h
Extended axis enum for more specialized usage.
namespace EAxisList { enum Type { None = 0, X = 1, Y = 2, Z = 4, Screen = 8, XY = X | Y, XZ = X | Z, YZ = Y | Z, XYZ = X | Y | Z, All = XYZ | Screen, ZRotation = YZ, Rotate2D = Screen, } }